Q: What are the prime factors of the number 11,543,936?

 A: 2, 90187

Why are those the prime factors of the number 11,543,936?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 11,543,936

11,543,936
Factor Arrows
25,771,968
Factor Arrows
22,885,984
Factor Arrows
21,442,992
Factor Arrows
2721,496
Factor Arrows
2360,748
Factor Arrows
2180,374
Factor Arrows
290,187

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 90187

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 90,187 = 11,543,936

This can also be written as 27 x 90,1871 = 11,543,936

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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